.kong{
  
    height: 0;
 }
 .kong .center{
     height: 50px;
     line-height: 50px;
     width: 1140px;
     background: #f4f4f4;
     margin: 0 auto;
     position: absolute;
     top: 55px;;
     left: 50%;
     margin-left: -570px;
     z-index: 2;
 }
a:hover{
    text-decoration: none;
}
.login {
  height: 588px;
  background: url(../image/login-background.jpg) no-repeat;
}
.login .center {
    position: relative;
   
  height: 588px;

}
.login-form{
    position: absolute;
    top: 99px;
    right: 0;
    width: 448px;
    height: 310px;
    background-color: #fff;
}
.login-form form{
    padding: 15px;
}
.login-form .login-heading{
    display: flex;
    justify-content: space-between;
    height: 42px;
    padding:10px 15px ;
    border-bottom: 1px solid #ddd;
}
.login-heading a{
    display: inline-block;
    color: #fff;
    background-color: #f99e1e;
    border-color: #f79307;
    padding: 1px 5px;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 1px;

}
.login-heading a:hover{
    background-color: #de8406;
    border-color: #bb7005;
    color: #fff;
}
.mi{
    display: flex;
    justify-content: space-between;
}
.btn{
    color: #fff;
    background-color: #c13e2c;
    border-color: #ac3727;
}
.btn:hover{
    background-color: #973123;
    border-color: #7a271c;
    color: #fff;
}
.yanzheng{
    width: 156px;
}
.yanzheng-flex{
display: flex;
justify-content: space-between;
}
.yanzheng-icon{
    display: flex;
    justify-content: space-between;
    text-align: center;
    line-height: 30px;
}
.yanzheng-icon .btn-link{
    width: 82px;
    height: 30px;
    color: #767676;
    background-color: #fff;
    border: 0;
    outline: none;
}
.yanzheng-icon span{
    width: 82px;
    height: 30px;
    background-color: aqua;
    margin-right: 10px;
}